Archive for the ‘News’ Category

« Older Entries
Newer Entries »

Tricks to Keep Your Device’s Battery last longer part one

March 18th, 2010

iphone-android-overlap

If you’re a recent convert to smartphones, you’re probably still discovering all the amazing things that your new BlackBerry, android phone or iPhone can do. But one thing you most likely found out right away: the more you do, the shorter your laptop battery lasts.

While a standard cellphone’s charge can easily go three days or more, many smartphone owners are dismayed to learn that their new mobile laptop battery toy requires charging every 24 hours, or even more often. It was great that I could use one device — my iPhone — to check my calendar and respond to multiple incoming calls during January’s Consumer Electronics Show, but I paid the price when its battery died at 2 p.m.

The answer was not to desperately search for an electrical outlet to recharge the phone (though I’ve done that) or to consider giving up the phone (done that, too), but rather to figure out a strategy to reduce energy consumption while still having it available for essential tasks. Whether you’re using a laptop or a smartphone, the devices can be tweaked to get the most out of its lithium-ion batteries.

Reconsider Your Network

all things being equal, the C.D.M.a. mobile standard used by Verizon uses more power than a G.S.M. network, principally used by aT&T and T-Mobile. If Dell D5318 Dell GD761 battery life is critical, you might want to consider G.S.M. as long as its coverage meets your needs.

Dim It

The brighter your screen, the more juice you’re using. If you’re in a dimly lit room, turn down your LCD screen’s brightness. If your device has an autodimming feature that detects the light in a room, use it. Similarly, if you use your smartphone or Dell Inspiron 6000 Battery to play music, lower the volume.

If you have a BlackBerry, the company’s holster will automatically turn off the screen when you insert the phone.

Stop Searching

It is great that you can use Bluetooth technology to connect your smartphone to a headset, or use Wi-Fi to speed up the downloading of e-mail messages. But when you’re not using that headset or not near a Wi-Fi hot spot, turn off those features on the phone or laptop.

The reason is that portable devices will continue to look for Wi-Fi or a Bluetooth headset, using Sony VGP-BPS9 power. Similarly, put your phone to sleep when it is in standby. On an iPhone, you do so through the “Settings” icon. On a BlackBerry, use the “Manage Connections” icon.

Skip a Generation

Your smartphone is also continually looking for a cellphone signal. If you’re in a weak signal area, your phone must work even harder to find one, decreasing battery life. If you know that there is no coverage in your area, turn off your portable device’s mobile capabilities.

If your G.S.M. 3G network is not available or the signal is weak, the Dell Latitude D430 Battery will drain faster looking for one. Consider turning off the phone’s 3G network or using the slower EDGE network instead. It will make Web access slower but won’t affect phone call quality.

Check Mail Manually

Mobile smartphones can check for e-mail messages and instant messages automatically. Or they can be set to “push” notifications as soon as they arrive in your server’s mailbox.

Both strategies can be power hogs. To increase your Dell Latitude D630 Battery life, turn off push and increase the interval between when the phone checks for new messages. Or better, set up your phone to check for messages manually.

Comments Off

Posted in News, battery

Tags:

Discharging of Nokia mobile phone battery

March 15th, 2010

Nokia_N97_group_05

Nokia plans new routes loading of mobile phone laptop batteries. The Finnish mobile phone specialist has a patent application in February to define how we can make Self service batteries. This is to be realized by means of kinetic energy. This Nokia relies on a simple system: the kinetic energy to be generated through mobile phone stored in the modules, which are coupled to piezoelectric elements.

Through this mechanical movement of the electric voltage to be generated for charging the phone’s ThinkPad R40 Battery . Extent to which a battery can be charged with this method is open. Even the smallest movements are, however, shall have the desired effect.

When the technique can be used, is now open. The fins are also working on other ways to charge cell phone ThinkPad T40 Battery , but the results with, for example radio waves are being reported more überschaubar.Es

Your mobile phone must never run out of juice while you’re away. So says the Finnish Nokia, which filed a U.S. patent last week for a phone that loads by energy generation from the movement of the owner.

Nokia sees a cell phone, which supports the heavier components, such as the radio circuitry and IBM ThinkPad R50 Battery are on a stable framework. This framework can move on two types of rails, it can go up and down the other side to side.

Strip of piezoelectric crystals are located at the end of each rail and generate electricity when compressed by the frame. as the user moves, or moves otherwise the phone, the motion generated electricity. These ThinkPad T42 Battery charges a capacitor, which in turn trickle charge the battery keeps it topped up.

3 Comments »

Posted in News, battery

Tags:

Weird Problem with my Compaq Evo N610c

January 29th, 2010

What’s wrong with my Compaq Evo N610c ?

Recently,I donn’t know why my Compaq Evo N610C Battery struck. So I tried to search through google for any specific answers to my problem but to no avail. I reiterate thatI’d appreciate any suggestions on how to get my Battery Pack operating correctly again.This is going to be a very long post so please bare with me. I’ll start from the top.

I bought a Refurbished Compaq Evo N610c Laptop about 6 months ago,of course including the stupid Compaq EVO N610C battery. It was working fine until about a month ago when I noticed that the AC Adapter cable started to make a funny noise whenever I plugged it in. After having a closer look at the AC Adapter, I found that there was a crack in the middle of the power pack which is exactly where the noise was coming from. But by the time I noticed that there was something wrong with the AC Adapter, the laptop would not turn on from the mains or the battery.

So I went and bought a replacement AC Adapter from discount-laptop-battery.co.uk. It arived here and the laptop now started to work from the mains again. But now, it will not turn on from the battery. This is now my next problem.

The new AC Adapter recognises and charges the battery – the orange light turns on when I connect the AC Adapter to the mains and the Battery is connected to the Laptop. However, whenever I try to turn the Laptop on from the Battery (without the AC Adapter connected), it makes a very weird and loud noise. It will boot up Windows from the battery and then 5 minutes later, the Laptop just turns off by itself.

I’ve had a look at the Control Panel under Power Options in Windows and it says there that the battery is 100% charged but the current power source is “AC power”. This doesn’t make sense because the AC Adapter is not connected to the Laptop and it’s not connected to a mains socket.

Now I’m thnking that maybe my Battery is the problem. So I went and bought a spare Battery from discount-laptopbattery.com. It arrived here, I tried it and noticed similar erratic bahaviour. It would turn on from the battery, it doesn’t make any noise but the Laptop turns off by itself after about 15 minutes of continous use. And again during this time, Windows shows the battery as 100% charged and the current power source as ‘AC Power’. The AC Adapter is not even connected to the Laptop or the mains so I can’t see why it’s thinking that the Battery power is the AC Power.

What am I supposed to do now? Is there something wrong with my laptop? Is there anything at all that I can do to fix this myself? Like cleaning the battery contacts or is there something more sinister going on here?

I’m at a loss at what to do next and I would greatly appreciate your help with this.I have a bit of experience with PC building so if it’s just a case of taking the old one out and putting the new one in then that shouldn’t be a problem. However, I can’t do any soldering – just haven’t got enough experience. I’m more familiar with cables and connectors.

Oh and if you’ve managed to get this far, many thanks for reading the entire post.

 

Trackback URL

Comments Off

Posted in News

Tags:

Apple Tried To Change Comsumer Habits

January 26th, 2010

Apple Tried To Change Comsumer Habits

As Apple Inc. prepares to unveil its own sequel Wednesday, the biggest question is whether changes since the early 1990s in the technology landscape¡ªand consumer habits¡ªcould give this tablet story a happier ending for vgp bps2b battery. Early tablet forays lacked high-speed wireless networking and Internet-based content, which Apple can tap for its device.

There are still plenty of obstacles, veteran tech watchers say, including questions about cost and battery life as well as competition from laptops and smaller devices such as Apple’s own iPods and Amazon of Fujitsu t4010 battery .com Inc.’s Kindle reader.But few people underestimate the ability of Apple Chief Executive Steve Jobs to turn out a product that will get people talking, and at least some of them buying.

“I would expect to see something that is very exciting, but like the first iPhone, not for everybody,” said Mitchell Kapor, an investor and PC industry pioneer who designed the hit spreadsheet Lotus 1-2-3.People familiar with the company’s plans say Apple will unveil Wednesday a device that has a 10-inch touch screen for Fujitsu t4020 battery ,Fujitsu t5010 battery which can be manipulated by multiple gestures akin to those popularized by the iPhone.

The larger display provide more space for software of the sort now found on the iPhone¡ªincluding games, navigation and social networking services¡ªwhile allowing users to access traditional media like books, newspapers, movies and TV in new ways of vgp bps2b battery, these people say.Based on component costs, analysts say Apple’s tablet could be priced as high as $1,000¡ªthough some estimates put it as low as $600, between its most expensive iPod touch and the cheapest MacBook computer.

The underlying concepts behind such products can be traced to the Dynabook, a design for a portable device proposed in the late 1960s by computer scientist Alan Kay. Companies started working on comparable products by the late 1980s, hoping to substitute pen-type devices for keyboards to input data for lifebook t4010 battery ,lifebook t5010 battery.But many high-profile start-ups were hurt by defects in underlying technologies, particularly in handwriting recognition and displays. Momenta Corp., for example, launched a six-pound, pen-based computer in 1991 that cost $5,000; the company folded less than a year later.

When Apple first tried to crack the market in the 1990s with a small device called Newton; its handwriting recognition was bad enough to prompt parodies in the “Doonesbury” comic strip for PA3399U-2BRS battery . A few years after Mr. Jobs returned to Apple in 1996, he shut the product down.Microsoft Corp., meanwhile, turned out versions of Windows that could be manipulated with a pen and were used in tablet-style products. But few have found many users beyond businesses with workers that need to be standing, like insurance adjusters and some sales representatives.

Industry executives say the market has changed dramatically, as have technology companies’ goals. In the early 1990s, companies were trying to turn existing laptops into pen-based productivity tools on ThinkPad T60p Battery, says Jerry Kaplan, Go’s former chairman and co-founder. Apple, by contrast, is really making a larger version of its iPhone¡ªa device that is already a consumer hit.

Hardware technology has advanced dramatically in the past decade, making it easier to offer devices that are smaller, more powerful and less expensive of lifebook t4020 battery . Modern touch-screens are more responsive and don’t require electronic pens.The broad acceptance over the past decade of Wi-Fi networking in homes and public places and the rollout of 3G cellular networks in the past two years has made it possible for consumers to get accustomed to using their laptops and cellphones for viewing music, movies and other entertainment.

“I believe the time has come,” says Kamran Elahian, the entreprenuer and venture capitalist who founded Momenta, of Apple’s expected tablet.But Apple is entering a market that is more complex and crowded of A1008 battery . The rivals include lightweight netbook computers that can sell for less than $300 as well as specialized devices like Amazon’s Kindle.

Other computer makers are pushing competing efforts on PA3399U-2BRS. Lenovo Group Ltd., for example, recently unveiled its IdeaPad UI, a hybrid notebook with a detachable screen that works as a stand-alone tablet.A keyboardless computer that is too big to fit in your pocket? Silicon Valley has seen that movie before, and it flopped each time.

Comments Off

Posted in Apple, Dell, HP, News, battery, battery grip, digital camera, energy, laptop, netbook

Tags:

Factors of affecting the quality of the battery

January 26th, 2010

Mobile phone Dell xps m1330 battery life is one of the factors that consumers primarily taken into account ,when buying cell phones. , consumers are afraid to buy the poor quality and endurance battery of the mobile phone. The advantages and disadvantages of mobile phone battery can affect every aspect of the user, one is to influence the handset standby and talk time;
another one , to now smart phones, they will reduce the phone’s playability ,such as the popularity of high-pixel camera phone, the battery for JVC BN-V428 capacity and quality of the increasingly high demand for small capacity of poor battery life ; Moreover, the low-grade phone battery will affect personal safety.

Now the majority of the market for sale or use of mobile phone batteries are for lithium battery, several factors affect the quality of the battery in general,they are:

  1. For the battery capacity. The higher the Panasonic CGA-DU07 battery capacity, battery better. The battery capacity (effective to discharge capacity) indicators determine standby time and talk duration. The higher capacity, longer talk time.
  2. For the overall performance batteries. Comprehensive performance has two aspects, on the one hand ,it is the resistance of batteries, the resistance must be in a certain range, or else it will affect the battery capacity; second it is discharging performance for the batteries for Dell xps m1530 battery , better discharging stability, higher effective utilization of the battery.
  3. In order to ensure that the batteries in normal working condition. When the unexpected short-circuit when the internal battery will automatically power off, knowing it is not short-circuit before returning to work. Counterfeit mobile phoneDell xps m1730 battery a little short, and some will be hot or even burning.
  4. For the battery cycle life. Cycle life refers to the repeated charge and discharge the battery , more using the number of cycles ,longer battery life .

   It is a great concern for consumers to choose a superior quality, the price level of the battery,so you must pay more attention to the battery ,when you are buying battery,in case you can get a better battery for Sony NP-FH100 .

To know more,please click:webnode informe blog125 friendster desiblogz weblog

Comments Off

Posted in News, battery

Tags:

Optical output in 2010

January 24th, 2010

Optical output in 2010

August 9, Fujian Photovoltaic Industry Development Forum and Quanzhou (Nan An ibm 02k7040 , ibm 02k7050) photovoltaic project promotion Matchmaking Symposium was held in Nam and high-tech business incubator base seven items on the same day held a groundbreaking ceremony, with a total investment amounting to 1.146 billion yuan . Nanan Optoelectronic Information Industry Base on the future development of planning issues, Nanan City Vice Mayor Liu Zhiping accepted the reporter an exclusive interview.

Have the advantages of industrial chain

The “Golden Triangle bosses”: At present, Jinjiang, Hoi An, Licheng all related industries in the development, you feel What are the advantages compared to Nam?

Liu Zhiping: Nan develop optoelectronics industry’s greatest strength is ibm 02k7054 , ibm 02k7072 that, with the supply of raw material advantages of silicon. High-purity silicon photovoltaic products is the main raw material, who mastered the purification technology, it is tantamount to grasp the lifeline of the development of the optoelectronics industry. The advantages are mainly due to Nanan Nanan three crystalline silicon company, which is currently the few materials have silicon purification technology company.

At present, the three crystalline silicon company independently developed high-purity solar-grade silicon purification technology, physics, materials, production requirements in line with solar cells, conversion rate of 17%, technology is relatively mature. The technology is widely used at home and abroad compared to the Siemens gas-phase purification, not only costs less, yield, non-polluting, solar energy and can replace imported high-purity silicon, broke the blockade by foreign countries against China’s technology and product limitations.

Some time ago, Nam recruit the most authoritative scholars of optoelectronic information industry has done a optoelectronic information industry base in the planning and feasibility studies, with three crystalline silicon company as a leader, to lead the downstream solar cell, LED industry.

In the first phase of the project, we are founded on science and technology ibm 08b8178 , ibm 08k8035 public services, and industry chain supporting facilities started to build three major platforms. Such as high-tech enterprise incubators, business incubators feature will cover the public service platform for scientific and technological, scientific and technological achievements into center and training center for scientific and technological aspects such as; 25-megawatt photovoltaic cell experiment base drawn from a single crystal, to the solar cell production, the completion of will become the first province is the most complete industrial chain of photovoltaic cells; Semiconductor Lighting Engineering R & D Center plans to use 2-3 years, to form a high-power LED die combination of solar photovoltaic technology-led, more than 50 supporting manufacturers of products for the auxiliary industrial chain. These projects are with universities and research institutions to complete.

It can be said, optoelectronics industrial base planning is to purify the silicon-leading upstream, extending into the solar cell production, and with the LED, Semiconductor integrated applications to form a new energy development, application and combination of energy-saving technology a complete industrial chain. The next step of the investment will focus on include silicon material production and processing category, solar cell manufacturing category, LED chip and package the project items, as well as the integration of photovoltaic and LED application products, photovoltaic power generation systems.

Space for a vast hinterland for development

The “Golden Triangle boss”: optical information industry in the Nam are still in the ibm 08k8036 , ibm 08k8039 start-up and training phase, we have what the market it targets?

Liu Zhiping: Nan optoelectronic information industry base in the capital invested 2.1 billion, to be basically completed in three phases by 2020, development planning objectives are divided into short-term and long-term in two stages.

This year began building 25-megawatt photovoltaic cell experiment base to begin output of monocrystalline silicon; By 2008, the experimental base necessary to fully operational, while the introduction of photovoltaic cell production projects, optoelectronic applications areas should initially formed industrial scale. By 2010, the goal is to optoelectronic information industry production value of 20 billion, of which 300 MW solar cell industry chain, the size of the output value reached 100 billion yuan, photovoltaic and LED application products, the output value reached 100 billion yuan; to 2015, output should be to reach 50 billion, the photovoltaic cell industry to achieve 600 megawatts of scale, output value reached 20 billion yuan.

These are short-term goal in front. Long-term goal is that by 2020, PV base to be completed with reasonable layout, complete functions and facilities of a modern sound, systematic, large-scale professional industrial park. The formation of “Light – electricity – light” new energy and energy-efficient technologies combination of a virtuous circle, with more than 1,000 megawatts of photovoltaic industry chain-scale and large-scale application of LED and optoelectronic industry clusters to achieve output of 100 ibm 08k8040 , ibm 08k8045 billion yuan, becoming the nation more influence the new energy industry bases.

It is worth mentioning that the optical base is located in the town of South Xia America, this is a virgin land just being developed, the base planned land 7.5 square kilometers. It is the hinterland behind the very wide base to continue to be the future of optoelectronics, but also can continue to develop south Anguan bridges, or at least can be further expanded to double space.

Chunlan high-energy battery energy storage and conversion by Breakthrough

Relying on the newly formed Jiangsu (Taizhou) Clean Energy Research Institute, recently, Chunlan in power nickel-hydrogen battery electrolyte research breakthrough. It is reported that this is an environmentally friendly, low cost, safe and efficient nickel-metal hydride battery electrolyte, electrochemical energy storage and energy conversion has an important role.

Related information, high-power, high-energy battery energy storage and conversion is a very complex electrochemical process, which requires not only an advanced new types of technology, equipment and materials, but also need to have a wide field of scientific research personnel, interdisciplinary knowledge, as well as the unshaken patience and perseverance, because it requires a variety of knowledge convergence and multiple experiments can be achieved breakthrough ibm 08k8048 , ibm 08k8192 progress.

Battery experts said that a number of tests proved that Chunlan developed the electrolyte applied to the power of this new nickel-metal hydride batteries, the battery has a better charge-discharge cycle characteristics, the battery anode material is less corrosive, there is no clear pink, and its energy storage type power than ordinary Ni-MH battery with more than 25%, the conversion efficiency of more than 10% higher, and there is no harm to the environment.

It is understood that Chunlan since 1993 began to implement the new energy plan, Energy Engineering Center was established in 1997, in-depth study of nickel-metal hydride battery and its basic technology; in 2002, creating the first one with independent intellectual property rights of domestic power nickel-metal hydride battery; 2003 commitment to the State “15″ 863 major projects planned high-speed maglev train, “Ni-MH battery applied research” subjects; 2004 commitment to the State Development and Reform Commission Enterprise Technology Center innovation capacity-building projects “Nickel hydrogen power research and development capacity-building” tasks; 2005 years, the first in China for auto-motive power assembly design concept, has formed a patent 32, enterprise standard 5; 2006 commitment to national “Eleventh Five-Year” Plan 863 energy-saving and new energy vehicles on major projects, “hybrid electric vehicle nickel ibm 08k8193 , ibm 08k8194 Hydrogen Power System Development and large-scale applications “subject; in 2007, within its Enterprise Institute set up in Jiangsu (Taizhou) Clean Energy Research Institute – energy storage and conversion applications engineering technology research center.

1 Comment »

Posted in News, battery, energy

Tags:

Nickel-metal hydride batteries will become the focus of China policy support at the present stage

January 15th, 2010

In the new energy vehicle development strategy,countries and regions all over the world have been based on their assessment of different options, they are taking a different strategy to promote support for the relevant Canon NB-2LH battery technology research and development and . From the current situation as a whole, Japan and the United States and Europe focused primarily on lithium batteries and fuel cells, but as taking into account the resources and technology maturity, in the newly released policy,China emphasis on promotion of nickel-metal hydride batteries for Kodak klic-8000 .

Although Ni-MH battery is the commercialization mainstream , but the main indicators of laboratory data are lower than lithium batteries, and for the basic theory, there is no room to improve;despite of the lithium Dell precision m series battery superior performance , but safety still can not be guaranteed, and the relatively high costs also impede their business.

Experts predict that the new energy vehicles will be in the “Ni-MH – Lithium-Ion battery – fuel cell” industry-oriented development path. From the development trend and rate, and short-term performance can be realized only nickel-hydrogen Dell precision m90 series battery , since nickel-metal hydride battery technology is the most mature in the next three years, it will remain the mainstream of new energy vehicles, followed by nickel-metal hydride battery technology and lithium iron phosphate, hydrogen fuel are cell-third of the world, 5-year lithium batteries and will be gradually replaced by fuel cells.

Battery giant Panasonic and Sanyo also found that the lithium-ion Sony NP-FP70 battery can not replace nickel-hydrogen batteries in 2 ~ 3 years, , mainly due to cheaper nickel-hydrogen battery safety,it has reached large-scale production.

According to Japan’s Fuji economic analysis, the mainstream nickel-metal hydride batteries will be able to continue until 2011, but after 2011, Li-ion Kodak KLIC-8000battery will gradually erode the market share of the nickel-metal hydride batteries.

In our letter to the Department of Public June 25 that the “new energy automobile manufacturing companies and product access management rules” from China , the vehicle according to the new energy vehicles, systems and key assembly Nikon EN-EL3 battery technology maturity, degree of perfection of the national and industry standards, and industrial the degree of difference it will be divided into three different stages of technology maturity, and is given classified management.

Experts believe that the reason why China now focus from the development of lithium batteries into nickel-metal hydride batteries, the main reason is that nickel-metal hydridePanasonic CGA-DU21 battery technology is more mature than the lithium batteries, more abundant mineral resources, the future of new energy vehicles will enable greater access to the commercial phase.

To know more,please click:blogger4u pib journalspace blogsarena christiansunite ohlog

1 Comment »

Posted in News, digital camera

Tags:

Internal Storage, Battery Life, Application Sales: 3 Crucial Ingredients Android Lacks

January 12th, 2010

Android

Like a coach for a football team, these key components need rallying and coordination for Android to grow and flourish…

Internal Storage on Android has Alzheimer’s

Bottom-line, handset makers need to really consider including a significant amount of internal storage. 256 megabytes just ain’t cutting it. SD Card storage is nice to have but Android phones should have a decent internal storage capacity as the first option then SD Card second Sony VGP-BPS8. This would boost Android Gaming development if consumers could easily fit a 100MB game on the phone smoothly without clearing more than three quarters of their apps.

Battery Life is an Ankle-bitter

Partly faulted to Android’s OS and developers… background processing is a strength and fatality of the platform. Sure we love the multi-tasking capabilities but hate the strain run-away processes do to performance and VGP-BPS9 VGP-BPS9/B battery life. The Android OS by default should come with a power manager as do laptops offering; power saver, balanced and high performance battery profiles to choose from.

App Sales are Absent

Partly to blame are reasons above prohibiting superb app development and “Open Source”, which always has a confusing connotation with “free”. Even larger game development companies such as Dell WW116  Gameloft has jumped ship on Android due to lagging sales. Android app developers are squeezed to make apps at extremely low costs plus they’re selling to a smaller customer based in comparison to Apple. Another key component is until recent, there’s no way to take advantage of impulse buying such as carrier billing or “in-app” purchases.

Improving these core aspects of the platform would attract iPhone developers whom given up on Android due to key points in this article Dell XPS M1730 Battery. Overall strengthen smartphones powered by Android.

The news Via Android Tapp

Comments Off

Posted in News

Tags:

How to made a wooden keyboard

December 13th, 2009

keyboard

This wooden keyboard enclosure came not so much from a desire to make something out of wood, but wanting a custom keyboard case, but from wanting a slightly smaller keyboard case for a keyboard with the numeric keypad cut off.

Maybe you’d like to match the wood of your desk to your Inspiron 1521 Battery  keyboard. Maybe you need just the right look for your steampunk workshop. Either way, with this tutorial, you can craft a wooden case for your keyboard.

The solution is to cut the numeric keypad off an otherwise regular keyboard. Of course, that’s not as trivial as it sounds. At left you can see some various layers of the Inspiron 1526 Battery keyboard, arranged after I cut it apart. There are vital interconnects under the keypad that the keyboard would not function without. Also, the PCB attached to the foil with all the traces on it also connects to the right side.

My approach is to take the circuitry from under the right side of the keyboard, and just fold it under the page up/down and cursor keys. The foil with all the traces on it is flexible enough that you can get away with doing that.

A big challenge with making a wooden case is to cut a nice bezel for the Inspiron 1721 Battery keyboard. I traced the shape of the bezel from my donor keyboard onto a piece of plywood.

tracing

The next step was to cut out the openings with a scrollsaw. Its one of the few things where a scrollsaw is a vital tool. A bandsaw would not work because the blade can’t be threaded through the openings to cut the insides.

scrollsawing

Although I was careful to try to get all my edges straight with the scroll saw, they still had a bit of hand-sketched waviness to them. But then I had the idea of using my router table to clean up the long edges of Inspiron 1720 Battery. By sliding my plywood against the fence, the router will cut a straight edge inside one of the cutouts.

I should have thought of this technique before I cut the holes with the scrollsaw. I would have cut them much less carefully, and a little undersize, knowing that I’d get it all perfectly cleaned up with the router afterwrds.

Checking the fit of the keyboard bezel. The bezel is still oversized all around the edges. Its kind of neat how it looks with so much flat surface around the Sony VGP-BPS8 keys. If Bang & Olufsen made a computer keyboard, it would probably look a bit like that.

The keyboard itself is mounted on a piece of plywood. This is trickier than it looks.

The keyboard has some spacers under it to give it support. I decided that the bottom of my keyboard case is to lie flat on the desk surface, so that I have some interior space to fold the contact foil and PCB under the keys on the Lenovo 40y6797 right side.

Here’s the right side, with the foil folded under. Getting the keyboard to the point where the keys would line up, and be against the contact foil and backing sheet metal took a lot of iteration. If found that if I didn’t get it exactly right, the keys would feel like they hit a hard bottom, because they were impacting against their plastic guide instead of the rubber dome that pushes the pieces of foil together.

Based on how the bezel rested on the keyboard, I measured its angle, and cut wedges out of maple for the sides, and pieces for the front and back of the ThinkPad R40 Battery keyboard. I glued these against the bezel using some spring clamps

I also made a cutout for the keyboard cable’s rubber strain relief to fit into.

Next I screwed the top an bottom parts of my keyboard case together and trimmed off the excess on the table saw. I trimmed it such that I also trimmed not just the plywood, but my wood sides as well, to get all the pieces exactly flush with each other.

Here’s the Pavilion dv9000 Battery keyboard after trimming. Its very boxy and rectangular, perhaps reminiscent of an early 1980s Volker-Craig VC303 terminal – the kind with a housing made out of rectangular bent sheet metal.

After a bit of sanding, and five liberal coats of varnish, and the keyboard has some nice round edges to it now.

The article Via  Life hacker from Woodgears

Comments Off

Posted in News

Tags:

The export tax rebate lead-acid battery

December 12th, 2009

The export tax rebate lead-acid battery

This directive is currently has been approved by the EU Council and the European Parliament a1078 , will soon become EU law. Into EU law, the EU member states are required within two years, through the relevant domestic laws corresponding. Directive also stressed that all of the battery manufacturers should be registered.

European Union environmental standards to improve the battery, the battery will give China a huge impact on exports. Chinese battery industry to conduct follow-up study should be timely to raise production standards in order to actively respond to the EU’s “green Casio NP-L7 barriers.”

China intends to abolish the export tax rebate lead-acid battery lead-acid batteries in China intended to abolish the export tax rebate

End: battery blog , battery blog , battery blog , battery blog , battery blog , etc.

Comments Off

Posted in News, battery, digital camera, energy, laptop